New pentaerythryl phosphonates containing self-extinguishing the

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524120, 524415, C08K 55357

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active

053387872

ABSTRACT:
A new group of pentaerythryl diphosphonates and poly(pentaerythryl diphosphonates) are described. Flame-retardant compositions are also described, which include a thermoplastic polymer and a certain amount of self-extinguishing agent consisting of one of the above-mentioned pentaerythryl diphosphonates or poly(pentaerythryl diphosphonates).

REFERENCES:
patent: 4086208 (1978-04-01), Murayama et al.
patent: 4174343 (1979-11-01), Hardy et al.
patent: 4217267 (1980-08-01), Hoffman et al.
patent: 4599375 (1986-07-01), Berte et al.
Chem. Abstr. 1965, 63(7), 8405h; Abstract of FR 1,395,178.

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